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(1) Tested International Service Master 17JB6A Tube 17JB6 A Beam Power Tube

(1) Tested International Service Master 17JB6A Tube 17JB6 A Beam Power Tube

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$9.95 USD
$9.95 USD
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(1) Tested International Service Master 17JB6A Tube.

Tested on a calibrated Hickok TV-10 military tube tester with no shorts and no leaks with the following results:

Gm Test = 7500 micromhos
Minimum pass/good = 4400

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